MESON Chess Problem Database

Problem Display
PID: 17003 (1Q1B3b/1b1N4/4p2N/4R3/4nk2/R6B/8/K7 w - - 0 1)

Visserman, Eeltje

Het Belgisch Schaakbord (L'Echiquier Belge), 1945

1Q1B3b/1b1N4/4p2N/4R3/4nk2/R6B/8/K7

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5+
      • 2.Qxe5#
    • 1...Sd2
      • 2.Bg5#
    • 1...Sf2
      • 2.Bg5#
    • 1...Sg3
      • 2.Bg5#
    • 1...Sc5
      • 2.Bg5#
    • 1...Sg5
      • 2.Bxg5#
    • 1...Sd6
      • 2.Bg5#
  • Tries
    • 1.Qa7?
      • threat
        • 2.Qe3#
      • 1...Sc5
        • 2.Bg5#
      • 1...Bxe5+!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Rf3#
      • 1...Bxe5+
        • 2.Qxe5#
      • 1...Sc3
        • 2.Re4#
      • 1...Sd2
        • 2.Bg5#
      • 1...Sf2
        • 2.Bg5#
      • 1...Sg3
        • 2.Bg5#
      • 1...Sc5
        • 2.Bg5#
      • 1...Sg5
        • 2.Bxg5#
      • 1...Sd6
        • 2.Bg5#
      • 1...Sf6
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);CHECK,OGATE,P_SPINB(e),XR(D)::QAB1(G),XB(e)
    • S(a);N_GUARD::B(H)
    • S(a);N_GUARD::B(H),XS(a)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • S(a);N_GUARD::B(H)
      • Refutation
        • B(e);CHECK,XR(D)
  • Actual
    • B(C);
    • Threat
      • R1(B)
    • Vars
      • B(e);CHECK,OGATE,P_SPINB(e),XR(D)::QAB1(G),XB(e)
      • S(a);N_PINR(D)::QAB(G)+R(D),DCHECK
      • S(a);N_GUARD::B(H)
      • S(a);N_GUARD::B(H),XS(a)
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